East Vermillion Lake Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 66
    • 90

    Thunderstorms Likely

    • 65
    • 82

    Slight Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 71
    • 92

    Slight Chance Thunderstorms

Today 22 Jul McCook

Mostly sunny. Highs in the lower 90s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Heat index Values up to 105.

Tonight 22 Jul McCook

Partly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds 15 to 20 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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East Vermillion Lake Temperature Statistics

July Temperature

Sioux Falls, Foss Field (20.5 miles)

  • Lowest 17 July, 2025

    53.7 °F

  • Average July

    74.7 °F

  • Highest 3 July, 2025

    94.6 °F

Climate (2020–Present)

Sioux Falls, Foss Field (20.5 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    60.6 °F
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